Not true. I always start C&D, except that rare occasion where I have forgotten to chose a ramp start.
Takeoff, and landing detection is driven by what you see on the Objectives window. And it in turn can be nudged along by interacting with ATC. I made a post about this a while back where I tried to log as many of those different phases of flight, and what was needed to advance them.
I’ll try, and dig it out. Can’t believe I forgot to bookmark that…